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Theorems · Theorem · functional analysis

Submodule.closed_of_finiteDimensional

∀ {𝕜 : Type u_1} {E : Type u_2} [inst : NontriviallyNormedField 𝕜] [CompleteSpace 𝕜] [inst_2 : AddCommGroup E]
  [inst_3 : TopologicalSpace E] [IsTopologicalAddGroup E] [inst_5 : Module 𝕜 E] [ContinuousSMul 𝕜 E] [T2Space E]
  (s : Submodule 𝕜 E) [FiniteDimensional 𝕜 ↥s], IsClosed ↑s

A finite-dimensional subspace is closed.

Defined in
Mathlib.Topology.Algebra.Module.FiniteDimension
Cited by
8 results in Mathlib
Foundations
Depth 173 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
NontriviallyNormedFieldCompleteSpaceAddCommGroupTopologicalSpaceIsTopologicalAddGroupModuleContinuousSMulT2SpaceFiniteDimensional

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